River Hamble - Mercury Yacht Harbour Rainfall ForecastUnited KingdomSEHampshireRiver Hamble - Mercury Yacht HarbourToday 22 Oct95%Thu 23 Oct85%Fri 24 Oct15%Sat 25 Oct10%Sun 26 Oct45%Mon 27 Oct10%River Hamble - Mercury Yacht Harbour rainfall forecast issued today at 7:35 am. Next forecast at approx. 9:35 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Dean Hill (Wiltshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads